Hello Guillaume and Gerhard,
Further to our discussion about a Torque/Swing framework I happened upon an article about building GUIs from BusinessObjects: http://www.javaworld.com/javaworld/jw-01-2004/jw-0102-toolbox_p.html
It addresses the problems which the getter and setter method approach poses: If you change the data type of a table column at some point this change will cascade through to your GUI layer. The article describes how you can circumvent the problem by using a Builder Strategy in order to confine any future changes to the Builder classes. Also, you can easily satisfy different front-ends simply by using different builder classes (i.e Swing GUI and web interface).
For the next project, I would certainly set up the Business Layer in that manner.
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Regards, Gru�,
Tarlika Elisabeth Schmitz
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